| Authors: |
Hasala H; Department of Respiratory Medicine, Tampere University Hospital, The Wellbeing Services County of Pirkanmaa, PO Box 2000 33521 Tampere, Finland. Electronic address: hannele.hasala@pirha.fi., Mattila T; Department of Pulmonary Diseases, Heart and Lung Center, Helsinki University Hospital and University of Helsinki, Meilahti Triangle Hospital, 6th floor, PO Box 372 00029 HUS, Helsinki, Finland., Kreivi HR; Department of Pulmonary Diseases, Heart and Lung Center, Helsinki University Hospital and University of Helsinki, Meilahti Triangle Hospital, 6th floor, PO Box 372 00029 HUS, Helsinki, Finland., Avellan-Hietanen H; Department of Pulmonary Diseases, Heart and Lung Center, Helsinki University Hospital and University of Helsinki, Meilahti Triangle Hospital, 6th floor, PO Box 372 00029 HUS, Helsinki, Finland., Vasankari T; University of Turku, Department of Pulmonary Diseases and Clinical Allergology, PO Box 52 20521 Turku, Finland; Finnish Lung Health Association (FILHA), Sibeliuksenkatu 11 A 1 00250 Helsinki, Finland., Herse F; Nordic Healthcare Group, Vattuniemenranta 2 00210 Helsinki, Finland., Leskelä RL; Nordic Healthcare Group, Vattuniemenranta 2 00210 Helsinki, Finland., Toppila-Salmi S; Department of Otorhinolaryngology, University of Eastern Finland, Joensuu and Kuopio, Finland and Wellbeing services county of Pohjois-Savo, Kuopio, Finland; Department of Allergology, Inflammation Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Erhola M; The Wellbeing Services County of Pirkanmaa, PO Box 2000 33521 Tampere, Finland., Jääskeläinen T; Finnish Institute for Health and Welfare, PO Box 30 00271 Helsinki, Finland., Haahtela T; Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, PO Box 160 00290, Finland; University of Helsinki, Helsinki, Finland. |